/* Dalekie obserwacje: styl spójny z resztą OGraf.pl (czcionki systemowe, bez pobierania) */
:root {
    --text: #1f2933; --muted: #5b6770; --head: #14304a; --accent: #1b6ca8; --accent-2: #4fd1e5;
    --rule: #d5dce3; --panel: #f3f6f9; --bg: #ffffff; --navy: #0f2438; --navy-2: #17415f; --warn: #b45309;
    --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, "Noto Sans", "DejaVu Sans", Arial, sans-serif;
    --mono: "Cascadia Mono", "Cascadia Code", Consolas, "SF Mono", Menlo, "DejaVu Sans Mono", monospace;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.65; color: var(--text); background: var(--bg); }
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* Menu i nagłówek strony */
.topbar { background: var(--navy); }
.menu { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 0; padding: 12px 0; font-size: 0.95rem; }
.menu a { color: #cfe3f1; text-decoration: none; font-weight: 600; }
.menu a:hover, .menu a[aria-current] { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.pagehead { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; }
.pagehead .wrap { padding-top: 34px; padding-bottom: 34px; }
.pagehead h1 { margin: 0 0 4px; font-size: 2.1rem; letter-spacing: -0.01em; line-height: 1.15; }
.pagehead p { margin: 0; color: #a9c8de; }

/* Treść */
main section { padding: 36px 0 4px; }
h2 { font-size: 1.3rem; color: var(--head); margin: 0 0 14px; padding-bottom: 6px; border-bottom: 1px solid var(--rule); }
h3 { font-size: 1.05rem; color: var(--accent); margin: 1.4em 0 0.4em; }
p { margin: 0 0 12px; }
ol, ul { padding-left: 1.4em; }
li { margin: 0.35em 0; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); border: 1px solid var(--rule); padding: 1px 5px; border-radius: 2px; }

.eq-formula { background: var(--panel); border-left: 3px solid var(--accent); padding: 10px 14px; margin: 12px 0; font-family: var(--mono); font-size: 0.95rem; overflow-x: auto; }
.note { background: #fdf6e3; border-left: 3px solid #c9971c; padding: 10px 16px; margin: 22px 0 6px; font-size: 0.95rem; }

.footer { margin-top: 56px; background: var(--navy); color: #a9c8de; font-size: 0.88rem; }
.footer .wrap { padding-top: 18px; padding-bottom: 18px; }
.footer p { margin: 0; }
.footer a { color: #cfe3f1; }

@media (max-width: 760px) { .pagehead h1 { font-size: 1.6rem; } }

.muted { color: var(--muted); font-size: 0.95rem; }

/* Karta obserwacji */
.obs { border: 1px solid var(--rule); border-top: 3px solid var(--accent); background: #fff; margin: 0 0 30px; }
.obs-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 6px 20px; padding: 16px 20px 6px; }
.obs-head h3 { margin: 2px 0 0; font-size: 1.3rem; color: var(--head); }
.kicker { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.distance { font-size: 1.25rem; font-weight: 700; color: var(--accent); white-space: nowrap; font-variant-numeric: tabular-nums; }
.obs-body { padding: 14px 20px 18px; }

/* Przełącznik zdjęć bez JavaScriptu: dwa przyciski radio, widok domyślny z oznaczeniami */
.viewer { position: relative; }
.viewer input[type="radio"] { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.tabs { display: flex; gap: 8px; padding: 8px 20px 12px; }
.tabs label { padding: 6px 14px; border: 1px solid #b9c4cf; background: #fff; color: var(--text); font-size: 0.9rem; font-weight: 600; cursor: pointer; border-radius: 2px; }
.tabs label:hover { background: var(--panel); }
.r-ann:checked ~ .tabs .l-ann, .r-org:checked ~ .tabs .l-org { background: var(--navy-2); color: #fff; border-color: var(--navy-2); }
.r-ann:focus-visible ~ .tabs .l-ann, .r-org:focus-visible ~ .tabs .l-org { outline: 3px solid #ffd166; outline-offset: 2px; }
.pic { margin: 0; }
.pic img { display: block; width: 100%; height: auto; background: #dce5e8; }
.pic figcaption { background: #26343d; color: #e9eef0; font-size: 0.85rem; padding: 7px 14px; }
.viewer .pic-org { display: none; }
.r-org:checked ~ .pics .pic-org { display: block; }
.r-org:checked ~ .pics .pic-ann { display: none; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px 18px; margin: 12px 0 0; }
.facts > div { border-top: 1px solid var(--rule); padding-top: 6px; }
.facts dt { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; color: var(--head); }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--rule); padding: 12px 14px 12px 50px; position: relative; font-size: 0.95rem; margin: 0; }
.steps li::before { content: counter(s); position: absolute; left: 12px; top: 10px; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.steps b { color: var(--head); }

details { border: 1px solid var(--rule); background: #fff; margin: 0 0 8px; }
summary { cursor: pointer; padding: 10px 14px; font-weight: 600; color: var(--head); }
summary:focus-visible { outline: 3px solid #ffd166; outline-offset: -3px; }
details p { margin: 0; padding: 0 14px 12px; }

.cta { margin-top: 36px; background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 24px 24px 22px !important; }
.cta h2 { color: #fff; border-bottom-color: rgba(255,255,255,.25); }
.cta p { color: #e6f0f7; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.btn { display: inline-block; padding: 10px 20px; font-weight: 600; text-decoration: none; border: 1px solid var(--accent-2); background: var(--accent-2); color: #08202f; border-radius: 2px; }
.btn:hover { background: #7fe0ee; }
.btn.ghost { background: transparent; color: #fff; }
.btn.ghost:hover { background: rgba(255,255,255,.1); }
.btn:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }

@media (max-width: 760px) { .obs-head { display: block; } .distance { margin-top: 4px; } .tabs { padding: 8px 14px 12px; } .obs-head, .obs-body { padding-left: 14px; padding-right: 14px; } }

/* Powiększanie zdjęć */
a.zoom { display: block; cursor: zoom-in; }
a.zoom:focus-visible { outline: 3px solid #ffd166; outline-offset: -3px; }
.lightbox { border: 0; padding: 0; margin: 0; width: 100vw; height: 100vh; max-width: none; max-height: none; background: #0b1722; color: #fff; }
.lightbox[open] { display: flex; flex-direction: column; }
.lightbox::backdrop { background: rgba(5, 12, 18, 0.92); }
.lb-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 8px 14px; background: #0f2438; }
.lb-hint { flex: 1 1 260px; font-size: 0.85rem; color: #a9c8de; }
.lb-btn { font: inherit; font-weight: 600; padding: 6px 14px; background: transparent; color: #fff; border: 1px solid #4fd1e5; border-radius: 2px; cursor: pointer; }
.lb-btn:hover { background: rgba(255,255,255,.1); }
.lb-btn:focus-visible, .lb-scroll:focus-visible { outline: 3px solid #ffd166; outline-offset: 2px; }
.lb-scroll { flex: 1; overflow: auto; text-align: center; }
.lb-img { cursor: zoom-in; }
.lb-img.fit { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; margin: 0 auto; }
.lb-img.full { max-width: none; max-height: none; width: auto; height: auto; cursor: grab; touch-action: none; }
.lb-scroll.pan { text-align: left; }
.lb-scroll:not(.pan) { display: flex; align-items: center; justify-content: center; }

.more-link { margin: 14px 0 0; font-weight: 600; }